Short- and Long-Term Solutions for Storage and Treatment
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C ALOOSAHATCHEE WATERSHED R EGIONAL WATER MANAGEMENT ISSUES Short- and Long-term Solutions for Storage and Treatment Version 3.0 Revised: July 15, 2016 Caloosahatchee Watershed Regional Water Management Issues E NDORSEMENTS Prepared by: Endorsed by: Sanibel Captiva Conservation Foundation Snook and Gamefish Foundation Conservancy of Southwest Florida Ding Darling Wildlife Society Audubon Florida Audubon of the Western Everglades Audubon of Southwest Florida CALOOSAHATCHEE WATERSHED REGIONAL WATER MANAGEMENT ISSUES STORAGE & TREATMENT PROGRESS SUMMARY JULY 15, 2016 Goals and Objectives The purpose of this document is to summarize and place into context the projects and policies needed to restore freshwater flows to the Caloosahatchee River and estuary. It outlines a number of the challenges we must overcome in order to be successful in restoring the Everglades and Northern Estuaries. This document is not meant to be all- inclusive of Everglades and Northern estuaries projects; but rather its focus is on those projects that will provide the greatest short and long-term benefits to the Caloosahatchee estuary. Introduction The coastal communities of Lee County are routinely impacted by freshwater discharges from Lake Okeechobee and excessive stormwater runoff from the Caloosahatchee watershed. The latest event occurred during the winter and spring of 2015/16, at the peak of Southwest Florida’s tourism season. A strong El Niño that developed in 2015 and extended into 2016 resulted in rainfall throughout south Florida exceeding 400% of the historic average. This resulted in water managers releasing billions of gallons of freshwater to the Caloosahatchee and St. Lucie estuaries. During the peak of the freshwater flows (late January–early February), the Caloosahatchee estuary received daily average flows exceeding 14,000 cubic feet per second (cfs) measured at the Franklin Lock (S-79). The Caloosahatchee continued to receive flows exceeding the high-flow harm threshold (2,800 cfs) through the middle of April 2016. These damaging flows were the result of runoff from the Caloosahatchee watershed and the regulatory discharges from Lake Okeechobee. As with past high-volume Lake releases in 2005-2006 and again in 2013, the excessive freshwater discharges impacted the ecology of the Caloosahatchee estuary and coastal waters of Lee County. This in turn impacted the quality of life of our residents, regional property values, revenue of area businesses, and it continues to have a lasting effect on our local economy. This problem persists because of inadequate water storage within the Kissimmee, Lake Okeechobee, and Caloosahatchee watersheds and our inability to treat and convey more water south into Everglades National Park and Florida Bay where it is desperately needed. 1 | Page Flood control projects, channelization, and other land use changes that have occurred throughout Central and Southern Florida during the past century have resulted in a water management system that is very different from its original state. The highly- engineered, man-made system that exists today delivers water to the coast very quickly, with little to no treatment. This has resulted in the Caloosahatchee estuary receiving too much water during the wet season and not enough during the dry season. The water that is delivered is often laden with excessive nutrients that can stimulate harmful algal blooms. These blooms can degrade aquatic habitats and the quality of our beaches. What is at stake? In Lee County, tourism generates more than $3 billion annually. Real estate values in Lee County were more than $87 billion as of 2015.1 A 2013 poll by the Lee County Visitor and Convention Bureau indicated that 94% of all visitors to Lee County identified our beaches as our most attractive asset.2 Local water quality can influence consumer confidence, impacting tourism and our local economy. Too much or too little freshwater delivered to the coast can also effect critical estuarine resources such as seagrasses, oysters and economically important finfish and shellfish. The combined impacts on the local economy and the ecology of our waters can greatly influence the quality of life for Lee County residents and visitors. The economic impacts can also extend beyond the borders of Lee County. Similar to the effect that the BP/Deepwater Horizon oil spill had on Florida’s economy, areas that are not physically impacted by the freshwater releases from the Caloosahatchee and St. Lucie rivers can be affected indirectly. For example, when the media reports on the impacts of the freshwater discharges they often refer to the “beaches of Southwest Florida,” which includes a much larger geographic area than just Lee County. A similar situation occurs on the east coast when they report on impacts from the St. Lucie River in Martin County. Lingering media reports on the internet and continually expanding distribution through social media can have a lasting impact on South Florida’s tourism. In 2015, the Florida Association of Realtors completed a study to assess the impact of water quality and clarity on property values in Lee and Martin counties from 2010 through 2013. The study determined that the ongoing problem of polluted water in the Caloosahatchee and St. Lucie rivers and estuaries has resulted in a negative impact on property values. The study determined that water quality and clarity had an impact of $541 million on Lee County’s aggregate property values and $428 million on Martin County’s aggregate property values.3 What is needed to address the problem? A number of Everglades planning studies have been completed to date which outline many of the projects needed to restore the quality, quantity, timing and distribution of 2 | Page freshwater flows to the Everglades and coastal estuaries. These studies include the Comprehensive Everglades Restoration Plan (CERP) 4 , the Northern Everglades and Estuaries Protection Program (NEEPP) 5 and the River of Grass Planning Process (ROGPP)6. The latest planning process, the River of Grass Planning Process, outlined storage needs of approximately 1,000,000 to 1,350,000 acre-feet of water storage north and south of Lake Okeechobee (Figure 1), 200,000 acre-feet east of the Lake, and 400,000 acre-feet of storage west of the Lake.7 Implementing this storage is critical to reducing the damaging high-flow discharges to the estuaries and providing dry-season flows to the Caloosahatchee. Figure 1. Comparison of north and south storage needed to reduce estuary impacts, SFWMD 2009 River of Grass Planning Project In March 2015, the University of Florida Water Institute completed an independent study, commissioned by the Florida Legislature through the Senate Select Committee on the Indian River Lagoon and Lake Okeechobee Basin, titled “Options to Reduce High Volume Freshwater Flows to the St. Lucie and Caloosahatchee Estuaries and Move More Water from Lake Okeechobee to the Southern Everglades”.7 The authors of the study concluded that “…the solution to providing relief to the estuaries is enormous increases in storage and treatment of water both north and south of the lake.” Their work also suggested that the state and federal governments should “accelerate funding and complete existing approved projects”, but that “Existing and currently authorized storage and treatment projects are insufficient to achieve these goals.” “The path forward requires significant long-term investment in the infrastructure of the South Florida hydrologic system.” The study cited the most recent water storage estimates 3 | Page reported by other Everglades planning efforts as 400,000 acre-feet of water in the Caloosahatchee watershed, 200,000 acre-feet in the St. Lucie watershed, and approximately 1,000,000 to 1,350,000 acre-feet of storage north and south of Lake Okeechobee. For a comprehensive overview of the projects needed to restore appropriate freshwater flows to the Northern estuaries, we direct readers to the University of Florida Water Institute’s Independent Technical Review titled Options to Reduce High Volume Freshwater Flows to the St. Lucie and Caloosahatchee Estuaries and Move More Water from Lake Okeechobee to the Southern Everglades.7 How will Everglades Restoration help restore appropriate freshwater flows to the Caloosahatchee River and Estuary? The Comprehensive Everglades Restoration Plan (CERP) is the blueprint to restore the Everglades and freshwater flows to the Northern Estuaries. The Plan was authorized by Congress in 2000 through the Water Resources and Development Act (WRDA 2000). The Plan includes a suite of projects designed to store, treat and convey freshwater south to Everglades National Park and Florida Bay; thereby, reducing the harmful freshwater flows to the estuaries. CERP includes more than 68 civil works projects to be designed and implemented over a 30 year period. The total cost of implementing the plan was originally estimated at $8.2 billion. 8 The Plan specifies a 50/50 cost-share between the State of Florida and the federal government. The original plan called for more than 217,000 acres of new reservoirs and wetland-based treatment areas and over 300 underground aquifer storage and recovery wells.8 As of late 2014, eight CERP projects were authorized, the majority of the land necessary for restoration projects under CERP had been acquired, and significant progress has been made on non-CERP activities including improved water deliveries to Everglades National Park.9 As of 2010, it was estimated that CERP will take more than 30 years and cost $13.5 billion to complete. 10 More recent cost estimates have CERP costs closer to $16.4 billion.11 What are the challenges to restoring the Everglades and appropriate freshwater flows to the Northern Estuaries? Restoration of the Everglades and Northern Estuaries faces a number of logistical and political challenges. Due to the large geographic scale of the project, encompassing more than 18,000 square miles and including 16 counties in central and southern Florida, it is the largest wetland restoration in the world (Figure 2).